c string is int
int isNumber(char s[])
{
for (int i = 0; s[i]!= '\0'; i++)
{
if (isdigit(s[i]) == 0)
return 0;
}
return 1;
}c string is int
int isNumber(char s[])
{
for (int i = 0; s[i]!= '\0'; i++)
{
if (isdigit(s[i]) == 0)
return 0;
}
return 1;
}convert string to int error checking c
const char *number = "10";
char *end;
long int value = strtol(number, &end, 10);
if (end == number || *end != '\0' || errno == ERANGE)
printf("Not a number");
else
printf("Value: %ld", value);Copyright © 2021 Codeinu
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